Ring



FIG. 1 is a front perspective view showing my new design;

FIG. 2 is a front elevational view thereof; the rear elevational view is identical;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof; and,

FIG. 5 is a right side elevational view thereof; the left side elevational view is identical.

The broken lines shown in the drawings represent unclaimed portions of the ring and form no part of the claimed design. 

The ornamental design for a ring, as shown and described. 